18862830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 38045970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 158, 210, 237, 315, 379, 395, 474, 553, 630, 711, 758, 790, 1106, 1137, 1185, 1422, 1659, 1895, 2274, 2370, 2653, 2765, 3318, 3411, 3555, 3790, 4977, 5306, 5530, 5685, 6822, 7110, 7959, 8295, 9954, 11370, 13265, 15918, 16590, 17055, 23877, 24885, 26530, 29941, 34110, 39795, 47754, 49770, 59882, 79590, 89823, 119385, 149705, 179646, 209587, 238770, 269469, 299410, 419174, 449115, 538938, 628761, 898230, 1047935, 1257522, 1347345, 1886283, 2095870, 2694690, 3143805, 3772566, 6287610, 9431415, 18862830]

約数ペア:

[(1, 18862830), (2, 9431415), (3, 6287610), (5, 3772566), (6, 3143805), (7, 2694690), (9, 2095870), (10, 1886283), (14, 1347345), (15, 1257522), (18, 1047935), (21, 898230), (30, 628761), (35, 538938), (42, 449115), (45, 419174), (63, 299410), (70, 269469), (79, 238770), (90, 209587), (105, 179646), (126, 149705), (158, 119385), (210, 89823), (237, 79590), (315, 59882), (379, 49770), (395, 47754), (474, 39795), (553, 34110), (630, 29941), (711, 26530), (758, 24885), (790, 23877), (1106, 17055), (1137, 16590), (1185, 15918), (1422, 13265), (1659, 11370), (1895, 9954), (2274, 8295), (2370, 7959), (2653, 7110), (2765, 6822), (3318, 5685), (3411, 5530), (3555, 5306), (3790, 4977)]