17813220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 52663296

約数和(自身を除く): 34850076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 61, 62, 93, 122, 124, 155, 157, 183, 186, 244, 305, 310, 314, 366, 372, 465, 471, 610, 620, 628, 732, 785, 915, 930, 942, 1220, 1570, 1830, 1860, 1884, 1891, 2355, 3140, 3660, 3782, 4710, 4867, 5673, 7564, 9420, 9455, 9577, 9734, 11346, 14601, 18910, 19154, 19468, 22692, 24335, 28365, 28731, 29202, 37820, 38308, 47885, 48670, 56730, 57462, 58404, 73005, 95770, 97340, 113460, 114924, 143655, 146010, 191540, 287310, 292020, 296887, 574620, 593774, 890661, 1187548, 1484435, 1781322, 2968870, 3562644, 4453305, 5937740, 8906610, 17813220]

約数ペア:

[(1, 17813220), (2, 8906610), (3, 5937740), (4, 4453305), (5, 3562644), (6, 2968870), (10, 1781322), (12, 1484435), (15, 1187548), (20, 890661), (30, 593774), (31, 574620), (60, 296887), (61, 292020), (62, 287310), (93, 191540), (122, 146010), (124, 143655), (155, 114924), (157, 113460), (183, 97340), (186, 95770), (244, 73005), (305, 58404), (310, 57462), (314, 56730), (366, 48670), (372, 47885), (465, 38308), (471, 37820), (610, 29202), (620, 28731), (628, 28365), (732, 24335), (785, 22692), (915, 19468), (930, 19154), (942, 18910), (1220, 14601), (1570, 11346), (1830, 9734), (1860, 9577), (1884, 9455), (1891, 9420), (2355, 7564), (3140, 5673), (3660, 4867), (3782, 4710)]