17819580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 34435140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 71, 89, 94, 141, 142, 178, 188, 213, 235, 267, 282, 284, 355, 356, 426, 445, 470, 534, 564, 705, 710, 852, 890, 940, 1065, 1068, 1335, 1410, 1420, 1780, 2130, 2670, 2820, 3337, 4183, 4260, 5340, 6319, 6674, 8366, 10011, 12549, 12638, 13348, 16685, 16732, 18957, 20022, 20915, 25098, 25276, 31595, 33370, 37914, 40044, 41830, 50055, 50196, 62745, 63190, 66740, 75828, 83660, 94785, 100110, 125490, 126380, 189570, 200220, 250980, 296993, 379140, 593986, 890979, 1187972, 1484965, 1781958, 2969930, 3563916, 4454895, 5939860, 8909790, 17819580]

約数ペア:

[(1, 17819580), (2, 8909790), (3, 5939860), (4, 4454895), (5, 3563916), (6, 2969930), (10, 1781958), (12, 1484965), (15, 1187972), (20, 890979), (30, 593986), (47, 379140), (60, 296993), (71, 250980), (89, 200220), (94, 189570), (141, 126380), (142, 125490), (178, 100110), (188, 94785), (213, 83660), (235, 75828), (267, 66740), (282, 63190), (284, 62745), (355, 50196), (356, 50055), (426, 41830), (445, 40044), (470, 37914), (534, 33370), (564, 31595), (705, 25276), (710, 25098), (852, 20915), (890, 20022), (940, 18957), (1065, 16732), (1068, 16685), (1335, 13348), (1410, 12638), (1420, 12549), (1780, 10011), (2130, 8366), (2670, 6674), (2820, 6319), (3337, 5340), (4183, 4260)]