18303460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 47113920

約数和(自身を除く): 28810460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 983, 1330, 1862, 1966, 2660, 3724, 3932, 4655, 4915, 6881, 9310, 9830, 13762, 18620, 18677, 19660, 27524, 34405, 37354, 48167, 68810, 74708, 93385, 96334, 130739, 137620, 186770, 192668, 240835, 261478, 373540, 481670, 522956, 653695, 915173, 963340, 1307390, 1830346, 2614780, 3660692, 4575865, 9151730, 18303460]

約数ペア:

[(1, 18303460), (2, 9151730), (4, 4575865), (5, 3660692), (7, 2614780), (10, 1830346), (14, 1307390), (19, 963340), (20, 915173), (28, 653695), (35, 522956), (38, 481670), (49, 373540), (70, 261478), (76, 240835), (95, 192668), (98, 186770), (133, 137620), (140, 130739), (190, 96334), (196, 93385), (245, 74708), (266, 68810), (380, 48167), (490, 37354), (532, 34405), (665, 27524), (931, 19660), (980, 18677), (983, 18620), (1330, 13762), (1862, 9830), (1966, 9310), (2660, 6881), (3724, 4915), (3932, 4655)]