18490740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 35699340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 79, 83, 94, 141, 158, 166, 188, 235, 237, 249, 282, 316, 332, 395, 415, 470, 474, 498, 564, 705, 790, 830, 940, 948, 996, 1185, 1245, 1410, 1580, 1660, 2370, 2490, 2820, 3713, 3901, 4740, 4980, 6557, 7426, 7802, 11139, 11703, 13114, 14852, 15604, 18565, 19505, 19671, 22278, 23406, 26228, 32785, 37130, 39010, 39342, 44556, 46812, 55695, 58515, 65570, 74260, 78020, 78684, 98355, 111390, 117030, 131140, 196710, 222780, 234060, 308179, 393420, 616358, 924537, 1232716, 1540895, 1849074, 3081790, 3698148, 4622685, 6163580, 9245370, 18490740]

約数ペア:

[(1, 18490740), (2, 9245370), (3, 6163580), (4, 4622685), (5, 3698148), (6, 3081790), (10, 1849074), (12, 1540895), (15, 1232716), (20, 924537), (30, 616358), (47, 393420), (60, 308179), (79, 234060), (83, 222780), (94, 196710), (141, 131140), (158, 117030), (166, 111390), (188, 98355), (235, 78684), (237, 78020), (249, 74260), (282, 65570), (316, 58515), (332, 55695), (395, 46812), (415, 44556), (470, 39342), (474, 39010), (498, 37130), (564, 32785), (705, 26228), (790, 23406), (830, 22278), (940, 19671), (948, 19505), (996, 18565), (1185, 15604), (1245, 14852), (1410, 13114), (1580, 11703), (1660, 11139), (2370, 7802), (2490, 7426), (2820, 6557), (3713, 4980), (3901, 4740)]