18715380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16417}}^1$

素因数の和:16448

約数の個数: 48

約数和(自身を含む): 55164480

約数和(自身を除く): 36449100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16417, 32834, 49251, 65668, 82085, 98502, 164170, 197004, 246255, 311923, 328340, 492510, 623846, 935769, 985020, 1247692, 1559615, 1871538, 3119230, 3743076, 4678845, 6238460, 9357690, 18715380]

約数ペア:

[(1, 18715380), (2, 9357690), (3, 6238460), (4, 4678845), (5, 3743076), (6, 3119230), (10, 1871538), (12, 1559615), (15, 1247692), (19, 985020), (20, 935769), (30, 623846), (38, 492510), (57, 328340), (60, 311923), (76, 246255), (95, 197004), (114, 164170), (190, 98502), (228, 82085), (285, 65668), (380, 49251), (570, 32834), (1140, 16417)]