19129370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 39414816

約数和(自身を除く): 20285446

約数列:

[1, 2, 5, 10, 13, 26, 37, 41, 65, 74, 82, 97, 130, 185, 194, 205, 370, 410, 481, 485, 533, 962, 970, 1066, 1261, 1517, 2405, 2522, 2665, 3034, 3589, 3977, 4810, 5330, 6305, 7178, 7585, 7954, 12610, 15170, 17945, 19721, 19885, 35890, 39442, 39770, 46657, 51701, 93314, 98605, 103402, 147149, 197210, 233285, 258505, 294298, 466570, 517010, 735745, 1471490, 1912937, 3825874, 9564685, 19129370]

約数ペア:

[(1, 19129370), (2, 9564685), (5, 3825874), (10, 1912937), (13, 1471490), (26, 735745), (37, 517010), (41, 466570), (65, 294298), (74, 258505), (82, 233285), (97, 197210), (130, 147149), (185, 103402), (194, 98605), (205, 93314), (370, 51701), (410, 46657), (481, 39770), (485, 39442), (533, 35890), (962, 19885), (970, 19721), (1066, 17945), (1261, 15170), (1517, 12610), (2405, 7954), (2522, 7585), (2665, 7178), (3034, 6305), (3589, 5330), (3977, 4810)]