19263678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 45806592

約数和(自身を除く): 26542914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 73, 103, 122, 146, 183, 206, 219, 309, 366, 427, 438, 511, 618, 721, 854, 1022, 1281, 1442, 1533, 2163, 2562, 3066, 4326, 4453, 6283, 7519, 8906, 12566, 13359, 15038, 18849, 22557, 26718, 31171, 37698, 43981, 45114, 52633, 62342, 87962, 93513, 105266, 131943, 157899, 187026, 263886, 315798, 458659, 917318, 1375977, 2751954, 3210613, 6421226, 9631839, 19263678]

約数ペア:

[(1, 19263678), (2, 9631839), (3, 6421226), (6, 3210613), (7, 2751954), (14, 1375977), (21, 917318), (42, 458659), (61, 315798), (73, 263886), (103, 187026), (122, 157899), (146, 131943), (183, 105266), (206, 93513), (219, 87962), (309, 62342), (366, 52633), (427, 45114), (438, 43981), (511, 37698), (618, 31171), (721, 26718), (854, 22557), (1022, 18849), (1281, 15038), (1442, 13359), (1533, 12566), (2163, 8906), (2562, 7519), (3066, 6283), (4326, 4453)]