19449240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2732

約数の個数: 64

約数和(自身を含む): 59326560

約数和(自身を除く): 39877320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2657, 3660, 5314, 7320, 7971, 10628, 13285, 15942, 21256, 26570, 31884, 39855, 53140, 63768, 79710, 106280, 159420, 162077, 318840, 324154, 486231, 648308, 810385, 972462, 1296616, 1620770, 1944924, 2431155, 3241540, 3889848, 4862310, 6483080, 9724620, 19449240]

約数ペア:

[(1, 19449240), (2, 9724620), (3, 6483080), (4, 4862310), (5, 3889848), (6, 3241540), (8, 2431155), (10, 1944924), (12, 1620770), (15, 1296616), (20, 972462), (24, 810385), (30, 648308), (40, 486231), (60, 324154), (61, 318840), (120, 162077), (122, 159420), (183, 106280), (244, 79710), (305, 63768), (366, 53140), (488, 39855), (610, 31884), (732, 26570), (915, 21256), (1220, 15942), (1464, 13285), (1830, 10628), (2440, 7971), (2657, 7320), (3660, 5314)]