18685890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 160

約数和(自身を含む): 56453760

約数和(自身を除く): 37767870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 27, 30, 34, 45, 46, 51, 54, 59, 69, 81, 85, 90, 102, 115, 118, 135, 138, 153, 162, 170, 177, 207, 230, 255, 270, 295, 306, 345, 354, 391, 405, 414, 459, 510, 531, 590, 621, 690, 765, 782, 810, 885, 918, 1003, 1035, 1062, 1173, 1242, 1357, 1377, 1530, 1593, 1770, 1863, 1955, 2006, 2070, 2295, 2346, 2655, 2714, 2754, 3009, 3105, 3186, 3519, 3726, 3910, 4071, 4590, 4779, 5015, 5310, 5865, 6018, 6210, 6785, 6885, 7038, 7965, 8142, 9027, 9315, 9558, 10030, 10557, 11730, 12213, 13570, 13770, 15045, 15930, 17595, 18054, 18630, 20355, 21114, 23069, 23895, 24426, 27081, 30090, 31671, 35190, 36639, 40710, 45135, 46138, 47790, 52785, 54162, 61065, 63342, 69207, 73278, 81243, 90270, 105570, 109917, 115345, 122130, 135405, 138414, 158355, 162486, 183195, 207621, 219834, 230690, 270810, 316710, 346035, 366390, 406215, 415242, 549585, 622863, 692070, 812430, 1038105, 1099170, 1245726, 1868589, 2076210, 3114315, 3737178, 6228630, 9342945, 18685890]

約数ペア:

[(1, 18685890), (2, 9342945), (3, 6228630), (5, 3737178), (6, 3114315), (9, 2076210), (10, 1868589), (15, 1245726), (17, 1099170), (18, 1038105), (23, 812430), (27, 692070), (30, 622863), (34, 549585), (45, 415242), (46, 406215), (51, 366390), (54, 346035), (59, 316710), (69, 270810), (81, 230690), (85, 219834), (90, 207621), (102, 183195), (115, 162486), (118, 158355), (135, 138414), (138, 135405), (153, 122130), (162, 115345), (170, 109917), (177, 105570), (207, 90270), (230, 81243), (255, 73278), (270, 69207), (295, 63342), (306, 61065), (345, 54162), (354, 52785), (391, 47790), (405, 46138), (414, 45135), (459, 40710), (510, 36639), (531, 35190), (590, 31671), (621, 30090), (690, 27081), (765, 24426), (782, 23895), (810, 23069), (885, 21114), (918, 20355), (1003, 18630), (1035, 18054), (1062, 17595), (1173, 15930), (1242, 15045), (1357, 13770), (1377, 13570), (1530, 12213), (1593, 11730), (1770, 10557), (1863, 10030), (1955, 9558), (2006, 9315), (2070, 9027), (2295, 8142), (2346, 7965), (2655, 7038), (2714, 6885), (2754, 6785), (3009, 6210), (3105, 6018), (3186, 5865), (3519, 5310), (3726, 5015), (3910, 4779), (4071, 4590)]