19488120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 63685440

約数和(自身を除く): 44197320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 233, 246, 255, 328, 340, 408, 410, 466, 492, 510, 615, 680, 697, 699, 820, 932, 984, 1020, 1165, 1230, 1394, 1398, 1640, 1864, 2040, 2091, 2330, 2460, 2788, 2796, 3485, 3495, 3961, 4182, 4660, 4920, 5576, 5592, 6970, 6990, 7922, 8364, 9320, 9553, 10455, 11883, 13940, 13980, 15844, 16728, 19106, 19805, 20910, 23766, 27880, 27960, 28659, 31688, 38212, 39610, 41820, 47532, 47765, 57318, 59415, 76424, 79220, 83640, 95064, 95530, 114636, 118830, 143295, 158440, 162401, 191060, 229272, 237660, 286590, 324802, 382120, 475320, 487203, 573180, 649604, 812005, 974406, 1146360, 1299208, 1624010, 1948812, 2436015, 3248020, 3897624, 4872030, 6496040, 9744060, 19488120]

約数ペア:

[(1, 19488120), (2, 9744060), (3, 6496040), (4, 4872030), (5, 3897624), (6, 3248020), (8, 2436015), (10, 1948812), (12, 1624010), (15, 1299208), (17, 1146360), (20, 974406), (24, 812005), (30, 649604), (34, 573180), (40, 487203), (41, 475320), (51, 382120), (60, 324802), (68, 286590), (82, 237660), (85, 229272), (102, 191060), (120, 162401), (123, 158440), (136, 143295), (164, 118830), (170, 114636), (204, 95530), (205, 95064), (233, 83640), (246, 79220), (255, 76424), (328, 59415), (340, 57318), (408, 47765), (410, 47532), (466, 41820), (492, 39610), (510, 38212), (615, 31688), (680, 28659), (697, 27960), (699, 27880), (820, 23766), (932, 20910), (984, 19805), (1020, 19106), (1165, 16728), (1230, 15844), (1394, 13980), (1398, 13940), (1640, 11883), (1864, 10455), (2040, 9553), (2091, 9320), (2330, 8364), (2460, 7922), (2788, 6990), (2796, 6970), (3485, 5592), (3495, 5576), (3961, 4920), (4182, 4660)]