18304980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16057}}^1$

素因数の和:16088

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 35649900

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, 16057, 32114, 48171, 64228, 80285, 96342, 160570, 192684, 240855, 305083, 321140, 481710, 610166, 915249, 963420, 1220332, 1525415, 1830498, 3050830, 3660996, 4576245, 6101660, 9152490, 18304980]

約数ペア:

[(1, 18304980), (2, 9152490), (3, 6101660), (4, 4576245), (5, 3660996), (6, 3050830), (10, 1830498), (12, 1525415), (15, 1220332), (19, 963420), (20, 915249), (30, 610166), (38, 481710), (57, 321140), (60, 305083), (76, 240855), (95, 192684), (114, 160570), (190, 96342), (228, 80285), (285, 64228), (380, 48171), (570, 32114), (1140, 16057)]