19414720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{359}}^1$

素因数の和:402

約数の個数: 84

約数和(自身を含む): 50200560

約数和(自身を除く): 30785840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 359, 416, 520, 676, 718, 832, 845, 1040, 1352, 1436, 1690, 1795, 2080, 2704, 2872, 3380, 3590, 4160, 4667, 5408, 5744, 6760, 7180, 9334, 10816, 11488, 13520, 14360, 18668, 22976, 23335, 27040, 28720, 37336, 46670, 54080, 57440, 60671, 74672, 93340, 114880, 121342, 149344, 186680, 242684, 298688, 303355, 373360, 485368, 606710, 746720, 970736, 1213420, 1493440, 1941472, 2426840, 3882944, 4853680, 9707360, 19414720]

約数ペア:

[(1, 19414720), (2, 9707360), (4, 4853680), (5, 3882944), (8, 2426840), (10, 1941472), (13, 1493440), (16, 1213420), (20, 970736), (26, 746720), (32, 606710), (40, 485368), (52, 373360), (64, 303355), (65, 298688), (80, 242684), (104, 186680), (130, 149344), (160, 121342), (169, 114880), (208, 93340), (260, 74672), (320, 60671), (338, 57440), (359, 54080), (416, 46670), (520, 37336), (676, 28720), (718, 27040), (832, 23335), (845, 22976), (1040, 18668), (1352, 14360), (1436, 13520), (1690, 11488), (1795, 10816), (2080, 9334), (2704, 7180), (2872, 6760), (3380, 5744), (3590, 5408), (4160, 4667)]