19309428

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1054

約数の個数: 60

約数和(自身を含む): 51358692

約数和(自身を除く): 32049264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 977, 1098, 1647, 1954, 2196, 2931, 3294, 3908, 4941, 5862, 6588, 8793, 9882, 11724, 17586, 19764, 26379, 35172, 52758, 59597, 79137, 105516, 119194, 158274, 178791, 238388, 316548, 357582, 536373, 715164, 1072746, 1609119, 2145492, 3218238, 4827357, 6436476, 9654714, 19309428]

約数ペア:

[(1, 19309428), (2, 9654714), (3, 6436476), (4, 4827357), (6, 3218238), (9, 2145492), (12, 1609119), (18, 1072746), (27, 715164), (36, 536373), (54, 357582), (61, 316548), (81, 238388), (108, 178791), (122, 158274), (162, 119194), (183, 105516), (244, 79137), (324, 59597), (366, 52758), (549, 35172), (732, 26379), (977, 19764), (1098, 17586), (1647, 11724), (1954, 9882), (2196, 8793), (2931, 6588), (3294, 5862), (3908, 4941)]