19265040

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{991}}^1$

素因数の和:1019

約数の個数: 120

約数和(自身を含む): 67162368

約数和(自身を除く): 47897328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 991, 1080, 1215, 1296, 1620, 1944, 1982, 2160, 2430, 2973, 3240, 3888, 3964, 4860, 4955, 5946, 6480, 7928, 8919, 9720, 9910, 11892, 14865, 15856, 17838, 19440, 19820, 23784, 26757, 29730, 35676, 39640, 44595, 47568, 53514, 59460, 71352, 79280, 80271, 89190, 107028, 118920, 133785, 142704, 160542, 178380, 214056, 237840, 240813, 267570, 321084, 356760, 401355, 428112, 481626, 535140, 642168, 713520, 802710, 963252, 1070280, 1204065, 1284336, 1605420, 1926504, 2140560, 2408130, 3210840, 3853008, 4816260, 6421680, 9632520, 19265040]

約数ペア:

[(1, 19265040), (2, 9632520), (3, 6421680), (4, 4816260), (5, 3853008), (6, 3210840), (8, 2408130), (9, 2140560), (10, 1926504), (12, 1605420), (15, 1284336), (16, 1204065), (18, 1070280), (20, 963252), (24, 802710), (27, 713520), (30, 642168), (36, 535140), (40, 481626), (45, 428112), (48, 401355), (54, 356760), (60, 321084), (72, 267570), (80, 240813), (81, 237840), (90, 214056), (108, 178380), (120, 160542), (135, 142704), (144, 133785), (162, 118920), (180, 107028), (216, 89190), (240, 80271), (243, 79280), (270, 71352), (324, 59460), (360, 53514), (405, 47568), (432, 44595), (486, 39640), (540, 35676), (648, 29730), (720, 26757), (810, 23784), (972, 19820), (991, 19440), (1080, 17838), (1215, 15856), (1296, 14865), (1620, 11892), (1944, 9910), (1982, 9720), (2160, 8919), (2430, 7928), (2973, 6480), (3240, 5946), (3888, 4955), (3964, 4860)]