19268080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 48996864

約数和(自身を除く): 29728784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 191, 194, 208, 260, 382, 388, 485, 520, 764, 776, 955, 970, 1040, 1261, 1528, 1552, 1910, 1940, 2483, 2522, 3056, 3820, 3880, 4966, 5044, 6305, 7640, 7760, 9932, 10088, 12415, 12610, 15280, 18527, 19864, 20176, 24830, 25220, 37054, 39728, 49660, 50440, 74108, 92635, 99320, 100880, 148216, 185270, 198640, 240851, 296432, 370540, 481702, 741080, 963404, 1204255, 1482160, 1926808, 2408510, 3853616, 4817020, 9634040, 19268080]

約数ペア:

[(1, 19268080), (2, 9634040), (4, 4817020), (5, 3853616), (8, 2408510), (10, 1926808), (13, 1482160), (16, 1204255), (20, 963404), (26, 741080), (40, 481702), (52, 370540), (65, 296432), (80, 240851), (97, 198640), (104, 185270), (130, 148216), (191, 100880), (194, 99320), (208, 92635), (260, 74108), (382, 50440), (388, 49660), (485, 39728), (520, 37054), (764, 25220), (776, 24830), (955, 20176), (970, 19864), (1040, 18527), (1261, 15280), (1528, 12610), (1552, 12415), (1910, 10088), (1940, 9932), (2483, 7760), (2522, 7640), (3056, 6305), (3820, 5044), (3880, 4966)]