19400260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 44799552

約数和(自身を除く): 25399292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 541, 652, 815, 1082, 1630, 1793, 2164, 2705, 3260, 3586, 5410, 5951, 7172, 8965, 10820, 11902, 17930, 23804, 29755, 35860, 59510, 88183, 119020, 176366, 352732, 440915, 881830, 970013, 1763660, 1940026, 3880052, 4850065, 9700130, 19400260]

約数ペア:

[(1, 19400260), (2, 9700130), (4, 4850065), (5, 3880052), (10, 1940026), (11, 1763660), (20, 970013), (22, 881830), (44, 440915), (55, 352732), (110, 176366), (163, 119020), (220, 88183), (326, 59510), (541, 35860), (652, 29755), (815, 23804), (1082, 17930), (1630, 11902), (1793, 10820), (2164, 8965), (2705, 7172), (3260, 5951), (3586, 5410)]