18488340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7929

約数の個数: 72

約数和(自身を含む): 60402888

約数和(自身を除く): 41914548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7901, 15802, 23703, 31604, 39505, 47406, 71109, 79010, 94812, 102713, 118515, 142218, 158020, 205426, 237030, 284436, 308139, 355545, 410852, 474060, 513565, 616278, 711090, 924417, 1027130, 1232556, 1422180, 1540695, 1848834, 2054260, 3081390, 3697668, 4622085, 6162780, 9244170, 18488340]

約数ペア:

[(1, 18488340), (2, 9244170), (3, 6162780), (4, 4622085), (5, 3697668), (6, 3081390), (9, 2054260), (10, 1848834), (12, 1540695), (13, 1422180), (15, 1232556), (18, 1027130), (20, 924417), (26, 711090), (30, 616278), (36, 513565), (39, 474060), (45, 410852), (52, 355545), (60, 308139), (65, 284436), (78, 237030), (90, 205426), (117, 158020), (130, 142218), (156, 118515), (180, 102713), (195, 94812), (234, 79010), (260, 71109), (390, 47406), (468, 39505), (585, 31604), (780, 23703), (1170, 15802), (2340, 7901)]