18121230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 50038560

約数和(自身を除く): 31917330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 53, 58, 87, 90, 106, 131, 145, 159, 174, 261, 262, 265, 290, 318, 393, 435, 477, 522, 530, 655, 786, 795, 870, 954, 1179, 1305, 1310, 1537, 1590, 1965, 2358, 2385, 2610, 3074, 3799, 3930, 4611, 4770, 5895, 6943, 7598, 7685, 9222, 11397, 11790, 13833, 13886, 15370, 18995, 20829, 22794, 23055, 27666, 34191, 34715, 37990, 41658, 46110, 56985, 62487, 68382, 69165, 69430, 104145, 113970, 124974, 138330, 170955, 201347, 208290, 312435, 341910, 402694, 604041, 624870, 1006735, 1208082, 1812123, 2013470, 3020205, 3624246, 6040410, 9060615, 18121230]

約数ペア:

[(1, 18121230), (2, 9060615), (3, 6040410), (5, 3624246), (6, 3020205), (9, 2013470), (10, 1812123), (15, 1208082), (18, 1006735), (29, 624870), (30, 604041), (45, 402694), (53, 341910), (58, 312435), (87, 208290), (90, 201347), (106, 170955), (131, 138330), (145, 124974), (159, 113970), (174, 104145), (261, 69430), (262, 69165), (265, 68382), (290, 62487), (318, 56985), (393, 46110), (435, 41658), (477, 37990), (522, 34715), (530, 34191), (655, 27666), (786, 23055), (795, 22794), (870, 20829), (954, 18995), (1179, 15370), (1305, 13886), (1310, 13833), (1537, 11790), (1590, 11397), (1965, 9222), (2358, 7685), (2385, 7598), (2610, 6943), (3074, 5895), (3799, 4770), (3930, 4611)]