18751860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5483}}^1$

素因数の和:5517

約数の個数: 72

約数和(自身を含む): 59885280

約数和(自身を除く): 41133420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5483, 10966, 16449, 21932, 27415, 32898, 49347, 54830, 65796, 82245, 98694, 104177, 109660, 164490, 197388, 208354, 246735, 312531, 328980, 416708, 493470, 520885, 625062, 937593, 986940, 1041770, 1250124, 1562655, 1875186, 2083540, 3125310, 3750372, 4687965, 6250620, 9375930, 18751860]

約数ペア:

[(1, 18751860), (2, 9375930), (3, 6250620), (4, 4687965), (5, 3750372), (6, 3125310), (9, 2083540), (10, 1875186), (12, 1562655), (15, 1250124), (18, 1041770), (19, 986940), (20, 937593), (30, 625062), (36, 520885), (38, 493470), (45, 416708), (57, 328980), (60, 312531), (76, 246735), (90, 208354), (95, 197388), (114, 164490), (171, 109660), (180, 104177), (190, 98694), (228, 82245), (285, 65796), (342, 54830), (380, 49347), (570, 32898), (684, 27415), (855, 21932), (1140, 16449), (1710, 10966), (3420, 5483)]