18898920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 67082400

約数和(自身を除く): 48183480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 307, 324, 342, 360, 380, 405, 456, 513, 540, 570, 614, 648, 684, 760, 810, 855, 921, 1026, 1080, 1140, 1228, 1368, 1535, 1539, 1620, 1710, 1842, 2052, 2280, 2456, 2565, 2763, 3070, 3078, 3240, 3420, 3684, 4104, 4605, 5130, 5526, 5833, 6140, 6156, 6840, 7368, 7695, 8289, 9210, 10260, 11052, 11666, 12280, 12312, 13815, 15390, 16578, 17499, 18420, 20520, 22104, 23332, 24867, 27630, 29165, 30780, 33156, 34998, 36840, 41445, 46664, 49734, 52497, 55260, 58330, 61560, 66312, 69996, 82890, 87495, 99468, 104994, 110520, 116660, 124335, 139992, 157491, 165780, 174990, 198936, 209988, 233320, 248670, 262485, 314982, 331560, 349980, 419976, 472473, 497340, 524970, 629964, 699960, 787455, 944946, 994680, 1049940, 1259928, 1574910, 1889892, 2099880, 2362365, 3149820, 3779784, 4724730, 6299640, 9449460, 18898920]

約数ペア:

[(1, 18898920), (2, 9449460), (3, 6299640), (4, 4724730), (5, 3779784), (6, 3149820), (8, 2362365), (9, 2099880), (10, 1889892), (12, 1574910), (15, 1259928), (18, 1049940), (19, 994680), (20, 944946), (24, 787455), (27, 699960), (30, 629964), (36, 524970), (38, 497340), (40, 472473), (45, 419976), (54, 349980), (57, 331560), (60, 314982), (72, 262485), (76, 248670), (81, 233320), (90, 209988), (95, 198936), (108, 174990), (114, 165780), (120, 157491), (135, 139992), (152, 124335), (162, 116660), (171, 110520), (180, 104994), (190, 99468), (216, 87495), (228, 82890), (270, 69996), (285, 66312), (307, 61560), (324, 58330), (342, 55260), (360, 52497), (380, 49734), (405, 46664), (456, 41445), (513, 36840), (540, 34998), (570, 33156), (614, 30780), (648, 29165), (684, 27630), (760, 24867), (810, 23332), (855, 22104), (921, 20520), (1026, 18420), (1080, 17499), (1140, 16578), (1228, 15390), (1368, 13815), (1535, 12312), (1539, 12280), (1620, 11666), (1710, 11052), (1842, 10260), (2052, 9210), (2280, 8289), (2456, 7695), (2565, 7368), (2763, 6840), (3070, 6156), (3078, 6140), (3240, 5833), (3420, 5526), (3684, 5130), (4104, 4605)]