19751940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 67511808

約数和(自身を除く): 47759868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 367, 390, 414, 460, 468, 585, 598, 690, 734, 780, 828, 897, 1035, 1101, 1170, 1196, 1380, 1468, 1495, 1794, 1835, 2070, 2202, 2340, 2691, 2990, 3303, 3588, 3670, 4140, 4404, 4485, 4771, 5382, 5505, 5980, 6606, 7340, 8441, 8970, 9542, 10764, 11010, 13212, 13455, 14313, 16515, 16882, 17940, 19084, 22020, 23855, 25323, 26910, 28626, 33030, 33764, 42205, 42939, 47710, 50646, 53820, 57252, 66060, 71565, 75969, 84410, 85878, 95420, 101292, 109733, 126615, 143130, 151938, 168820, 171756, 214695, 219466, 253230, 286260, 303876, 329199, 379845, 429390, 438932, 506460, 548665, 658398, 759690, 858780, 987597, 1097330, 1316796, 1519380, 1645995, 1975194, 2194660, 3291990, 3950388, 4937985, 6583980, 9875970, 19751940]

約数ペア:

[(1, 19751940), (2, 9875970), (3, 6583980), (4, 4937985), (5, 3950388), (6, 3291990), (9, 2194660), (10, 1975194), (12, 1645995), (13, 1519380), (15, 1316796), (18, 1097330), (20, 987597), (23, 858780), (26, 759690), (30, 658398), (36, 548665), (39, 506460), (45, 438932), (46, 429390), (52, 379845), (60, 329199), (65, 303876), (69, 286260), (78, 253230), (90, 219466), (92, 214695), (115, 171756), (117, 168820), (130, 151938), (138, 143130), (156, 126615), (180, 109733), (195, 101292), (207, 95420), (230, 85878), (234, 84410), (260, 75969), (276, 71565), (299, 66060), (345, 57252), (367, 53820), (390, 50646), (414, 47710), (460, 42939), (468, 42205), (585, 33764), (598, 33030), (690, 28626), (734, 26910), (780, 25323), (828, 23855), (897, 22020), (1035, 19084), (1101, 17940), (1170, 16882), (1196, 16515), (1380, 14313), (1468, 13455), (1495, 13212), (1794, 11010), (1835, 10764), (2070, 9542), (2202, 8970), (2340, 8441), (2691, 7340), (2990, 6606), (3303, 5980), (3588, 5505), (3670, 5382), (4140, 4771), (4404, 4485)]