18406980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 39653820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 89, 90, 108, 135, 178, 180, 267, 270, 356, 383, 445, 534, 540, 766, 801, 890, 1068, 1149, 1335, 1532, 1602, 1780, 1915, 2298, 2403, 2670, 3204, 3447, 3830, 4005, 4596, 4806, 5340, 5745, 6894, 7660, 8010, 9612, 10341, 11490, 12015, 13788, 16020, 17235, 20682, 22980, 24030, 34087, 34470, 41364, 48060, 51705, 68174, 68940, 102261, 103410, 136348, 170435, 204522, 206820, 306783, 340870, 409044, 511305, 613566, 681740, 920349, 1022610, 1227132, 1533915, 1840698, 2045220, 3067830, 3681396, 4601745, 6135660, 9203490, 18406980]

約数ペア:

[(1, 18406980), (2, 9203490), (3, 6135660), (4, 4601745), (5, 3681396), (6, 3067830), (9, 2045220), (10, 1840698), (12, 1533915), (15, 1227132), (18, 1022610), (20, 920349), (27, 681740), (30, 613566), (36, 511305), (45, 409044), (54, 340870), (60, 306783), (89, 206820), (90, 204522), (108, 170435), (135, 136348), (178, 103410), (180, 102261), (267, 68940), (270, 68174), (356, 51705), (383, 48060), (445, 41364), (534, 34470), (540, 34087), (766, 24030), (801, 22980), (890, 20682), (1068, 17235), (1149, 16020), (1335, 13788), (1532, 12015), (1602, 11490), (1780, 10341), (1915, 9612), (2298, 8010), (2403, 7660), (2670, 6894), (3204, 5745), (3447, 5340), (3830, 4806), (4005, 4596)]