1906840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 4888800

約数和(自身を除く): 2981960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 193, 247, 260, 380, 386, 494, 520, 760, 772, 965, 988, 1235, 1544, 1930, 1976, 2470, 2509, 3667, 3860, 4940, 5018, 7334, 7720, 9880, 10036, 12545, 14668, 18335, 20072, 25090, 29336, 36670, 47671, 50180, 73340, 95342, 100360, 146680, 190684, 238355, 381368, 476710, 953420, 1906840]

約数ペア:

[(1, 1906840), (2, 953420), (4, 476710), (5, 381368), (8, 238355), (10, 190684), (13, 146680), (19, 100360), (20, 95342), (26, 73340), (38, 50180), (40, 47671), (52, 36670), (65, 29336), (76, 25090), (95, 20072), (104, 18335), (130, 14668), (152, 12545), (190, 10036), (193, 9880), (247, 7720), (260, 7334), (380, 5018), (386, 4940), (494, 3860), (520, 3667), (760, 2509), (772, 2470), (965, 1976), (988, 1930), (1235, 1544)]