18464580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5433

約数の個数: 72

約数和(自身を含む): 58968000

約数和(自身を除く): 40503420

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, 5399, 10798, 16197, 21596, 26995, 32394, 48591, 53990, 64788, 80985, 97182, 102581, 107980, 161970, 194364, 205162, 242955, 307743, 323940, 410324, 485910, 512905, 615486, 923229, 971820, 1025810, 1230972, 1538715, 1846458, 2051620, 3077430, 3692916, 4616145, 6154860, 9232290, 18464580]

約数ペア:

[(1, 18464580), (2, 9232290), (3, 6154860), (4, 4616145), (5, 3692916), (6, 3077430), (9, 2051620), (10, 1846458), (12, 1538715), (15, 1230972), (18, 1025810), (19, 971820), (20, 923229), (30, 615486), (36, 512905), (38, 485910), (45, 410324), (57, 323940), (60, 307743), (76, 242955), (90, 205162), (95, 194364), (114, 161970), (171, 107980), (180, 102581), (190, 97182), (228, 80985), (285, 64788), (342, 53990), (380, 48591), (570, 32394), (684, 26995), (855, 21596), (1140, 16197), (1710, 10798), (3420, 5399)]