19618080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1818

約数の個数: 96

約数和(自身を含む): 64520064

約数和(自身を除く): 44901984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1777, 1840, 2208, 2760, 3554, 3680, 5331, 5520, 7108, 8885, 10662, 11040, 14216, 17770, 21324, 26655, 28432, 35540, 40871, 42648, 53310, 56864, 71080, 81742, 85296, 106620, 122613, 142160, 163484, 170592, 204355, 213240, 245226, 284320, 326968, 408710, 426480, 490452, 613065, 653936, 817420, 852960, 980904, 1226130, 1307872, 1634840, 1961808, 2452260, 3269680, 3923616, 4904520, 6539360, 9809040, 19618080]

約数ペア:

[(1, 19618080), (2, 9809040), (3, 6539360), (4, 4904520), (5, 3923616), (6, 3269680), (8, 2452260), (10, 1961808), (12, 1634840), (15, 1307872), (16, 1226130), (20, 980904), (23, 852960), (24, 817420), (30, 653936), (32, 613065), (40, 490452), (46, 426480), (48, 408710), (60, 326968), (69, 284320), (80, 245226), (92, 213240), (96, 204355), (115, 170592), (120, 163484), (138, 142160), (160, 122613), (184, 106620), (230, 85296), (240, 81742), (276, 71080), (345, 56864), (368, 53310), (460, 42648), (480, 40871), (552, 35540), (690, 28432), (736, 26655), (920, 21324), (1104, 17770), (1380, 14216), (1777, 11040), (1840, 10662), (2208, 8885), (2760, 7108), (3554, 5520), (3680, 5331)]