17927260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 43013376

約数和(自身を除く): 25086116

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 191, 247, 260, 361, 380, 382, 494, 722, 764, 955, 988, 1235, 1444, 1805, 1910, 2470, 2483, 3610, 3629, 3820, 4693, 4940, 4966, 7220, 7258, 9386, 9932, 12415, 14516, 18145, 18772, 23465, 24830, 36290, 46930, 47177, 49660, 68951, 72580, 93860, 94354, 137902, 188708, 235885, 275804, 344755, 471770, 689510, 896363, 943540, 1379020, 1792726, 3585452, 4481815, 8963630, 17927260]

約数ペア:

[(1, 17927260), (2, 8963630), (4, 4481815), (5, 3585452), (10, 1792726), (13, 1379020), (19, 943540), (20, 896363), (26, 689510), (38, 471770), (52, 344755), (65, 275804), (76, 235885), (95, 188708), (130, 137902), (190, 94354), (191, 93860), (247, 72580), (260, 68951), (361, 49660), (380, 47177), (382, 46930), (494, 36290), (722, 24830), (764, 23465), (955, 18772), (988, 18145), (1235, 14516), (1444, 12415), (1805, 9932), (1910, 9386), (2470, 7258), (2483, 7220), (3610, 4966), (3629, 4940), (3820, 4693)]