19604468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 39824064

約数和(自身を除く): 20219596

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 331, 442, 662, 871, 884, 1139, 1324, 1742, 2278, 3484, 4303, 4556, 5627, 8606, 11254, 14807, 17212, 22177, 22508, 29614, 44354, 59228, 73151, 88708, 146302, 288301, 292604, 377009, 576602, 754018, 1153204, 1508036, 4901117, 9802234, 19604468]

約数ペア:

[(1, 19604468), (2, 9802234), (4, 4901117), (13, 1508036), (17, 1153204), (26, 754018), (34, 576602), (52, 377009), (67, 292604), (68, 288301), (134, 146302), (221, 88708), (268, 73151), (331, 59228), (442, 44354), (662, 29614), (871, 22508), (884, 22177), (1139, 17212), (1324, 14807), (1742, 11254), (2278, 8606), (3484, 5627), (4303, 4556)]