19624520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 27187000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 257, 332, 415, 460, 514, 664, 830, 920, 1028, 1285, 1660, 1909, 2056, 2570, 3320, 3818, 5140, 5911, 7636, 9545, 10280, 11822, 15272, 19090, 21331, 23644, 29555, 38180, 42662, 47288, 59110, 76360, 85324, 106655, 118220, 170648, 213310, 236440, 426620, 490613, 853240, 981226, 1962452, 2453065, 3924904, 4906130, 9812260, 19624520]

約数ペア:

[(1, 19624520), (2, 9812260), (4, 4906130), (5, 3924904), (8, 2453065), (10, 1962452), (20, 981226), (23, 853240), (40, 490613), (46, 426620), (83, 236440), (92, 213310), (115, 170648), (166, 118220), (184, 106655), (230, 85324), (257, 76360), (332, 59110), (415, 47288), (460, 42662), (514, 38180), (664, 29555), (830, 23644), (920, 21331), (1028, 19090), (1285, 15272), (1660, 11822), (1909, 10280), (2056, 9545), (2570, 7636), (3320, 5911), (3818, 5140)]