19645488

素因数分解:

$2^4\times 3^2\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:842

約数の個数: 60

約数和(自身を含む): 55314168

約数和(自身を除く): 35668680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 227, 454, 601, 681, 908, 1202, 1362, 1803, 1816, 2043, 2404, 2724, 3606, 3632, 4086, 4808, 5409, 5448, 7212, 8172, 9616, 10818, 10896, 14424, 16344, 21636, 28848, 32688, 43272, 86544, 136427, 272854, 409281, 545708, 818562, 1091416, 1227843, 1637124, 2182832, 2455686, 3274248, 4911372, 6548496, 9822744, 19645488]

約数ペア:

[(1, 19645488), (2, 9822744), (3, 6548496), (4, 4911372), (6, 3274248), (8, 2455686), (9, 2182832), (12, 1637124), (16, 1227843), (18, 1091416), (24, 818562), (36, 545708), (48, 409281), (72, 272854), (144, 136427), (227, 86544), (454, 43272), (601, 32688), (681, 28848), (908, 21636), (1202, 16344), (1362, 14424), (1803, 10896), (1816, 10818), (2043, 9616), (2404, 8172), (2724, 7212), (3606, 5448), (3632, 5409), (4086, 4808)]