19027520

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 56

約数和(自身を含む): 45851064

約数和(自身を除く): 26823544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 613, 776, 970, 1226, 1552, 1940, 2452, 3065, 3104, 3880, 4904, 6130, 6208, 7760, 9808, 12260, 15520, 19616, 24520, 31040, 39232, 49040, 59461, 98080, 118922, 196160, 237844, 297305, 475688, 594610, 951376, 1189220, 1902752, 2378440, 3805504, 4756880, 9513760, 19027520]

約数ペア:

[(1, 19027520), (2, 9513760), (4, 4756880), (5, 3805504), (8, 2378440), (10, 1902752), (16, 1189220), (20, 951376), (32, 594610), (40, 475688), (64, 297305), (80, 237844), (97, 196160), (160, 118922), (194, 98080), (320, 59461), (388, 49040), (485, 39232), (613, 31040), (776, 24520), (970, 19616), (1226, 15520), (1552, 12260), (1940, 9808), (2452, 7760), (3065, 6208), (3104, 6130), (3880, 4904)]