18830520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2753}}^1$

素因数の和:2789

約数の個数: 96

約数和(自身を含む): 64443600

約数和(自身を除く): 45613080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2753, 3420, 5506, 6840, 8259, 11012, 13765, 16518, 22024, 24777, 27530, 33036, 41295, 49554, 52307, 55060, 66072, 82590, 99108, 104614, 110120, 123885, 156921, 165180, 198216, 209228, 247770, 261535, 313842, 330360, 418456, 470763, 495540, 523070, 627684, 784605, 941526, 991080, 1046140, 1255368, 1569210, 1883052, 2092280, 2353815, 3138420, 3766104, 4707630, 6276840, 9415260, 18830520]

約数ペア:

[(1, 18830520), (2, 9415260), (3, 6276840), (4, 4707630), (5, 3766104), (6, 3138420), (8, 2353815), (9, 2092280), (10, 1883052), (12, 1569210), (15, 1255368), (18, 1046140), (19, 991080), (20, 941526), (24, 784605), (30, 627684), (36, 523070), (38, 495540), (40, 470763), (45, 418456), (57, 330360), (60, 313842), (72, 261535), (76, 247770), (90, 209228), (95, 198216), (114, 165180), (120, 156921), (152, 123885), (171, 110120), (180, 104614), (190, 99108), (228, 82590), (285, 66072), (342, 55060), (360, 52307), (380, 49554), (456, 41295), (570, 33036), (684, 27530), (760, 24777), (855, 22024), (1140, 16518), (1368, 13765), (1710, 11012), (2280, 8259), (2753, 6840), (3420, 5506)]