18152980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 43868160

約数和(自身を除く): 25715180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 67, 76, 92, 95, 115, 124, 134, 155, 190, 230, 268, 310, 335, 380, 437, 460, 589, 620, 670, 713, 874, 1178, 1273, 1340, 1426, 1541, 1748, 2077, 2185, 2356, 2546, 2852, 2945, 3082, 3565, 4154, 4370, 5092, 5890, 6164, 6365, 7130, 7705, 8308, 8740, 10385, 11780, 12730, 13547, 14260, 15410, 20770, 25460, 27094, 29279, 30820, 39463, 41540, 47771, 54188, 58558, 67735, 78926, 95542, 117116, 135470, 146395, 157852, 191084, 197315, 238855, 270940, 292790, 394630, 477710, 585580, 789260, 907649, 955420, 1815298, 3630596, 4538245, 9076490, 18152980]

約数ペア:

[(1, 18152980), (2, 9076490), (4, 4538245), (5, 3630596), (10, 1815298), (19, 955420), (20, 907649), (23, 789260), (31, 585580), (38, 477710), (46, 394630), (62, 292790), (67, 270940), (76, 238855), (92, 197315), (95, 191084), (115, 157852), (124, 146395), (134, 135470), (155, 117116), (190, 95542), (230, 78926), (268, 67735), (310, 58558), (335, 54188), (380, 47771), (437, 41540), (460, 39463), (589, 30820), (620, 29279), (670, 27094), (713, 25460), (874, 20770), (1178, 15410), (1273, 14260), (1340, 13547), (1426, 12730), (1541, 11780), (1748, 10385), (2077, 8740), (2185, 8308), (2356, 7705), (2546, 7130), (2852, 6365), (2945, 6164), (3082, 5890), (3565, 5092), (4154, 4370)]