18819612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 60383232

約数和(自身を除く): 41563620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 23, 28, 34, 36, 42, 46, 51, 63, 68, 69, 84, 92, 102, 119, 126, 138, 153, 161, 191, 204, 207, 238, 252, 276, 306, 322, 357, 382, 391, 414, 476, 483, 573, 612, 644, 714, 764, 782, 828, 966, 1071, 1146, 1173, 1337, 1428, 1449, 1564, 1719, 1932, 2142, 2292, 2346, 2674, 2737, 2898, 3247, 3438, 3519, 4011, 4284, 4393, 4692, 5348, 5474, 5796, 6494, 6876, 7038, 8022, 8211, 8786, 9741, 10948, 12033, 12988, 13179, 14076, 16044, 16422, 17572, 19482, 22729, 24066, 24633, 26358, 29223, 30751, 32844, 38964, 39537, 45458, 48132, 49266, 52716, 58446, 61502, 68187, 74681, 79074, 90916, 92253, 98532, 116892, 123004, 136374, 149362, 158148, 184506, 204561, 224043, 272748, 276759, 298724, 369012, 409122, 448086, 522767, 553518, 672129, 818244, 896172, 1045534, 1107036, 1344258, 1568301, 2091068, 2688516, 3136602, 4704903, 6273204, 9409806, 18819612]

約数ペア:

[(1, 18819612), (2, 9409806), (3, 6273204), (4, 4704903), (6, 3136602), (7, 2688516), (9, 2091068), (12, 1568301), (14, 1344258), (17, 1107036), (18, 1045534), (21, 896172), (23, 818244), (28, 672129), (34, 553518), (36, 522767), (42, 448086), (46, 409122), (51, 369012), (63, 298724), (68, 276759), (69, 272748), (84, 224043), (92, 204561), (102, 184506), (119, 158148), (126, 149362), (138, 136374), (153, 123004), (161, 116892), (191, 98532), (204, 92253), (207, 90916), (238, 79074), (252, 74681), (276, 68187), (306, 61502), (322, 58446), (357, 52716), (382, 49266), (391, 48132), (414, 45458), (476, 39537), (483, 38964), (573, 32844), (612, 30751), (644, 29223), (714, 26358), (764, 24633), (782, 24066), (828, 22729), (966, 19482), (1071, 17572), (1146, 16422), (1173, 16044), (1337, 14076), (1428, 13179), (1449, 12988), (1564, 12033), (1719, 10948), (1932, 9741), (2142, 8786), (2292, 8211), (2346, 8022), (2674, 7038), (2737, 6876), (2898, 6494), (3247, 5796), (3438, 5474), (3519, 5348), (4011, 4692), (4284, 4393)]