18385290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 60821280

約数和(自身を除く): 42435990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 147, 154, 165, 198, 210, 231, 245, 294, 315, 330, 379, 385, 441, 462, 490, 495, 539, 630, 693, 735, 758, 770, 882, 990, 1078, 1137, 1155, 1386, 1470, 1617, 1895, 2205, 2274, 2310, 2653, 2695, 3234, 3411, 3465, 3790, 4169, 4410, 4851, 5306, 5390, 5685, 6822, 6930, 7959, 8085, 8338, 9702, 11370, 12507, 13265, 15918, 16170, 17055, 18571, 20845, 23877, 24255, 25014, 26530, 29183, 34110, 37142, 37521, 39795, 41690, 47754, 48510, 55713, 58366, 62535, 75042, 79590, 87549, 92855, 111426, 119385, 125070, 145915, 167139, 175098, 185710, 187605, 204281, 238770, 262647, 278565, 291830, 334278, 375210, 408562, 437745, 525294, 557130, 612843, 835695, 875490, 1021405, 1225686, 1313235, 1671390, 1838529, 2042810, 2626470, 3064215, 3677058, 6128430, 9192645, 18385290]

約数ペア:

[(1, 18385290), (2, 9192645), (3, 6128430), (5, 3677058), (6, 3064215), (7, 2626470), (9, 2042810), (10, 1838529), (11, 1671390), (14, 1313235), (15, 1225686), (18, 1021405), (21, 875490), (22, 835695), (30, 612843), (33, 557130), (35, 525294), (42, 437745), (45, 408562), (49, 375210), (55, 334278), (63, 291830), (66, 278565), (70, 262647), (77, 238770), (90, 204281), (98, 187605), (99, 185710), (105, 175098), (110, 167139), (126, 145915), (147, 125070), (154, 119385), (165, 111426), (198, 92855), (210, 87549), (231, 79590), (245, 75042), (294, 62535), (315, 58366), (330, 55713), (379, 48510), (385, 47754), (441, 41690), (462, 39795), (490, 37521), (495, 37142), (539, 34110), (630, 29183), (693, 26530), (735, 25014), (758, 24255), (770, 23877), (882, 20845), (990, 18571), (1078, 17055), (1137, 16170), (1155, 15918), (1386, 13265), (1470, 12507), (1617, 11370), (1895, 9702), (2205, 8338), (2274, 8085), (2310, 7959), (2653, 6930), (2695, 6822), (3234, 5685), (3411, 5390), (3465, 5306), (3790, 4851), (4169, 4410)]