18219562380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1\times {\mathrm{2377}}^1$

素因数の和:2928

約数の個数: 144

約数和(自身を含む): 55986490560

約数和(自身を除く): 37766928180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 439, 485, 582, 873, 878, 970, 1164, 1317, 1455, 1746, 1756, 1940, 2195, 2377, 2634, 2910, 3492, 3951, 4365, 4390, 4754, 5268, 5820, 6585, 7131, 7902, 8730, 8780, 9508, 11885, 13170, 14262, 15804, 17460, 19755, 21393, 23770, 26340, 28524, 35655, 39510, 42583, 42786, 47540, 71310, 79020, 85166, 85572, 106965, 127749, 142620, 170332, 212915, 213930, 230569, 255498, 383247, 425830, 427860, 461138, 510996, 638745, 691707, 766494, 851660, 922276, 1043503, 1152845, 1277490, 1383414, 1532988, 1916235, 2075121, 2087006, 2305690, 2554980, 2766828, 3130509, 3458535, 3832470, 4150242, 4174012, 4611380, 5217515, 6261018, 6917070, 7664940, 8300484, 9391527, 10375605, 10435030, 12522036, 13834140, 15652545, 18783054, 20751210, 20870060, 31305090, 37566108, 41502420, 46957635, 62610180, 93915270, 101219791, 187830540, 202439582, 303659373, 404879164, 506098955, 607318746, 910978119, 1012197910, 1214637492, 1518296865, 1821956238, 2024395820, 3036593730, 3643912476, 4554890595, 6073187460, 9109781190, 18219562380]

約数ペア:

[(1, 18219562380), (2, 9109781190), (3, 6073187460), (4, 4554890595), (5, 3643912476), (6, 3036593730), (9, 2024395820), (10, 1821956238), (12, 1518296865), (15, 1214637492), (18, 1012197910), (20, 910978119), (30, 607318746), (36, 506098955), (45, 404879164), (60, 303659373), (90, 202439582), (97, 187830540), (180, 101219791), (194, 93915270), (291, 62610180), (388, 46957635), (439, 41502420), (485, 37566108), (582, 31305090), (873, 20870060), (878, 20751210), (970, 18783054), (1164, 15652545), (1317, 13834140), (1455, 12522036), (1746, 10435030), (1756, 10375605), (1940, 9391527), (2195, 8300484), (2377, 7664940), (2634, 6917070), (2910, 6261018), (3492, 5217515), (3951, 4611380), (4365, 4174012), (4390, 4150242), (4754, 3832470), (5268, 3458535), (5820, 3130509), (6585, 2766828), (7131, 2554980), (7902, 2305690), (8730, 2087006), (8780, 2075121), (9508, 1916235), (11885, 1532988), (13170, 1383414), (14262, 1277490), (15804, 1152845), (17460, 1043503), (19755, 922276), (21393, 851660), (23770, 766494), (26340, 691707), (28524, 638745), (35655, 510996), (39510, 461138), (42583, 427860), (42786, 425830), (47540, 383247), (71310, 255498), (79020, 230569), (85166, 213930), (85572, 212915), (106965, 170332), (127749, 142620)]