19376240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 50163456

約数和(自身を除く): 30787216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 601, 620, 806, 1040, 1202, 1240, 1612, 2015, 2404, 2480, 3005, 3224, 4030, 4808, 6010, 6448, 7813, 8060, 9616, 12020, 15626, 16120, 18631, 24040, 31252, 32240, 37262, 39065, 48080, 62504, 74524, 78130, 93155, 125008, 149048, 156260, 186310, 242203, 298096, 312520, 372620, 484406, 625040, 745240, 968812, 1211015, 1490480, 1937624, 2422030, 3875248, 4844060, 9688120, 19376240]

約数ペア:

[(1, 19376240), (2, 9688120), (4, 4844060), (5, 3875248), (8, 2422030), (10, 1937624), (13, 1490480), (16, 1211015), (20, 968812), (26, 745240), (31, 625040), (40, 484406), (52, 372620), (62, 312520), (65, 298096), (80, 242203), (104, 186310), (124, 156260), (130, 149048), (155, 125008), (208, 93155), (248, 78130), (260, 74524), (310, 62504), (403, 48080), (496, 39065), (520, 37262), (601, 32240), (620, 31252), (806, 24040), (1040, 18631), (1202, 16120), (1240, 15626), (1612, 12020), (2015, 9616), (2404, 8060), (2480, 7813), (3005, 6448), (3224, 6010), (4030, 4808)]