19982151410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{13691}}^1$

素因数の和:13923

約数の個数: 64

約数和(自身を含む): 39472392960

約数和(自身を除く): 19490241550

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 109, 130, 206, 218, 515, 545, 1030, 1090, 1339, 1417, 2678, 2834, 6695, 7085, 11227, 13390, 13691, 14170, 22454, 27382, 56135, 68455, 112270, 136910, 145951, 177983, 291902, 355966, 729755, 889915, 1410173, 1459510, 1492319, 1779830, 2820346, 2984638, 7050865, 7461595, 14101730, 14923190, 18332249, 19400147, 36664498, 38800294, 91661245, 97000735, 153708857, 183322490, 194001470, 307417714, 768544285, 1537088570, 1998215141, 3996430282, 9991075705, 19982151410]

約数ペア:

[(1, 19982151410), (2, 9991075705), (5, 3996430282), (10, 1998215141), (13, 1537088570), (26, 768544285), (65, 307417714), (103, 194001470), (109, 183322490), (130, 153708857), (206, 97000735), (218, 91661245), (515, 38800294), (545, 36664498), (1030, 19400147), (1090, 18332249), (1339, 14923190), (1417, 14101730), (2678, 7461595), (2834, 7050865), (6695, 2984638), (7085, 2820346), (11227, 1779830), (13390, 1492319), (13691, 1459510), (14170, 1410173), (22454, 889915), (27382, 729755), (56135, 355966), (68455, 291902), (112270, 177983), (136910, 145951)]