18054750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 54512640

約数和(自身を除く): 36457890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 125, 133, 150, 175, 181, 190, 210, 250, 266, 285, 350, 362, 375, 399, 475, 525, 543, 570, 665, 750, 798, 875, 905, 950, 1050, 1086, 1267, 1330, 1425, 1750, 1810, 1995, 2375, 2534, 2625, 2715, 2850, 3325, 3439, 3801, 3990, 4525, 4750, 5250, 5430, 6335, 6650, 6878, 7125, 7602, 9050, 9975, 10317, 12670, 13575, 14250, 16625, 17195, 19005, 19950, 20634, 22625, 24073, 27150, 31675, 33250, 34390, 38010, 45250, 48146, 49875, 51585, 63350, 67875, 72219, 85975, 95025, 99750, 103170, 120365, 135750, 144438, 158375, 171950, 190050, 240730, 257925, 316750, 361095, 429875, 475125, 515850, 601825, 722190, 859750, 950250, 1203650, 1289625, 1805475, 2579250, 3009125, 3610950, 6018250, 9027375, 18054750]

約数ペア:

[(1, 18054750), (2, 9027375), (3, 6018250), (5, 3610950), (6, 3009125), (7, 2579250), (10, 1805475), (14, 1289625), (15, 1203650), (19, 950250), (21, 859750), (25, 722190), (30, 601825), (35, 515850), (38, 475125), (42, 429875), (50, 361095), (57, 316750), (70, 257925), (75, 240730), (95, 190050), (105, 171950), (114, 158375), (125, 144438), (133, 135750), (150, 120365), (175, 103170), (181, 99750), (190, 95025), (210, 85975), (250, 72219), (266, 67875), (285, 63350), (350, 51585), (362, 49875), (375, 48146), (399, 45250), (475, 38010), (525, 34390), (543, 33250), (570, 31675), (665, 27150), (750, 24073), (798, 22625), (875, 20634), (905, 19950), (950, 19005), (1050, 17195), (1086, 16625), (1267, 14250), (1330, 13575), (1425, 12670), (1750, 10317), (1810, 9975), (1995, 9050), (2375, 7602), (2534, 7125), (2625, 6878), (2715, 6650), (2850, 6335), (3325, 5430), (3439, 5250), (3801, 4750), (3990, 4525)]