19478355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 36191232

約数和(自身を除く): 16712877

約数列:

[1, 3, 5, 13, 15, 23, 39, 43, 65, 69, 101, 115, 129, 195, 215, 299, 303, 345, 505, 559, 645, 897, 989, 1313, 1495, 1515, 1677, 2323, 2795, 2967, 3939, 4343, 4485, 4945, 6565, 6969, 8385, 11615, 12857, 13029, 14835, 19695, 21715, 30199, 34845, 38571, 56459, 64285, 65145, 90597, 99889, 150995, 169377, 192855, 282295, 299667, 452985, 499445, 846885, 1298557, 1498335, 3895671, 6492785, 19478355]

約数ペア:

[(1, 19478355), (3, 6492785), (5, 3895671), (13, 1498335), (15, 1298557), (23, 846885), (39, 499445), (43, 452985), (65, 299667), (69, 282295), (101, 192855), (115, 169377), (129, 150995), (195, 99889), (215, 90597), (299, 65145), (303, 64285), (345, 56459), (505, 38571), (559, 34845), (645, 30199), (897, 21715), (989, 19695), (1313, 14835), (1495, 13029), (1515, 12857), (1677, 11615), (2323, 8385), (2795, 6969), (2967, 6565), (3939, 4945), (4343, 4485)]