18472965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 18022395

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 79, 85, 105, 119, 131, 237, 255, 357, 393, 395, 553, 595, 655, 917, 1185, 1343, 1659, 1785, 1965, 2227, 2751, 2765, 4029, 4585, 6681, 6715, 8295, 9401, 10349, 11135, 13755, 15589, 20145, 28203, 31047, 33405, 46767, 47005, 51745, 72443, 77945, 141015, 155235, 175933, 217329, 233835, 362215, 527799, 879665, 1086645, 1231531, 2638995, 3694593, 6157655, 18472965]

約数ペア:

[(1, 18472965), (3, 6157655), (5, 3694593), (7, 2638995), (15, 1231531), (17, 1086645), (21, 879665), (35, 527799), (51, 362215), (79, 233835), (85, 217329), (105, 175933), (119, 155235), (131, 141015), (237, 77945), (255, 72443), (357, 51745), (393, 47005), (395, 46767), (553, 33405), (595, 31047), (655, 28203), (917, 20145), (1185, 15589), (1343, 13755), (1659, 11135), (1785, 10349), (1965, 9401), (2227, 8295), (2751, 6715), (2765, 6681), (4029, 4585)]