19405930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 36761040

約数和(自身を除く): 17355110

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1097, 1769, 2194, 3538, 5485, 8845, 10970, 17690, 31813, 63626, 66917, 133834, 159065, 318130, 334585, 669170, 1940593, 3881186, 9702965, 19405930]

約数ペア:

[(1, 19405930), (2, 9702965), (5, 3881186), (10, 1940593), (29, 669170), (58, 334585), (61, 318130), (122, 159065), (145, 133834), (290, 66917), (305, 63626), (610, 31813), (1097, 17690), (1769, 10970), (2194, 8845), (3538, 5485)]