17819880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11423}}^1$

素因数の和:11450

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 39757080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11423, 22846, 34269, 45692, 57115, 68538, 91384, 114230, 137076, 148499, 171345, 228460, 274152, 296998, 342690, 445497, 456920, 593996, 685380, 742495, 890994, 1187992, 1370760, 1484990, 1781988, 2227485, 2969980, 3563976, 4454970, 5939960, 8909940, 17819880]

約数ペア:

[(1, 17819880), (2, 8909940), (3, 5939960), (4, 4454970), (5, 3563976), (6, 2969980), (8, 2227485), (10, 1781988), (12, 1484990), (13, 1370760), (15, 1187992), (20, 890994), (24, 742495), (26, 685380), (30, 593996), (39, 456920), (40, 445497), (52, 342690), (60, 296998), (65, 274152), (78, 228460), (104, 171345), (120, 148499), (130, 137076), (156, 114230), (195, 91384), (260, 68538), (312, 57115), (390, 45692), (520, 34269), (780, 22846), (1560, 11423)]