19291250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 41836608

約数和(自身を除く): 22545358

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 61, 110, 115, 122, 125, 230, 250, 253, 275, 305, 506, 550, 575, 610, 625, 671, 1150, 1250, 1265, 1342, 1375, 1403, 1525, 2530, 2750, 2806, 2875, 3050, 3355, 5750, 6325, 6710, 6875, 7015, 7625, 12650, 13750, 14030, 14375, 15250, 15433, 16775, 28750, 30866, 31625, 33550, 35075, 38125, 63250, 70150, 76250, 77165, 83875, 154330, 158125, 167750, 175375, 316250, 350750, 385825, 419375, 771650, 838750, 876875, 1753750, 1929125, 3858250, 9645625, 19291250]

約数ペア:

[(1, 19291250), (2, 9645625), (5, 3858250), (10, 1929125), (11, 1753750), (22, 876875), (23, 838750), (25, 771650), (46, 419375), (50, 385825), (55, 350750), (61, 316250), (110, 175375), (115, 167750), (122, 158125), (125, 154330), (230, 83875), (250, 77165), (253, 76250), (275, 70150), (305, 63250), (506, 38125), (550, 35075), (575, 33550), (610, 31625), (625, 30866), (671, 28750), (1150, 16775), (1250, 15433), (1265, 15250), (1342, 14375), (1375, 14030), (1403, 13750), (1525, 12650), (2530, 7625), (2750, 7015), (2806, 6875), (2875, 6710), (3050, 6325), (3355, 5750)]