18745350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9613}}^1$

素因数の和:9641

約数の個数: 48

約数和(自身を含む): 50069712

約数和(自身を除く): 31324362

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9613, 19226, 28839, 48065, 57678, 96130, 124969, 144195, 240325, 249938, 288390, 374907, 480650, 624845, 720975, 749814, 1249690, 1441950, 1874535, 3124225, 3749070, 6248450, 9372675, 18745350]

約数ペア:

[(1, 18745350), (2, 9372675), (3, 6248450), (5, 3749070), (6, 3124225), (10, 1874535), (13, 1441950), (15, 1249690), (25, 749814), (26, 720975), (30, 624845), (39, 480650), (50, 374907), (65, 288390), (75, 249938), (78, 240325), (130, 144195), (150, 124969), (195, 96130), (325, 57678), (390, 48065), (650, 28839), (975, 19226), (1950, 9613)]