19881888

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 37271712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 89, 96, 104, 156, 178, 179, 208, 267, 312, 356, 358, 416, 534, 537, 624, 712, 716, 1068, 1074, 1157, 1248, 1424, 1432, 2136, 2148, 2314, 2327, 2848, 2864, 3471, 4272, 4296, 4628, 4654, 5728, 6942, 6981, 8544, 8592, 9256, 9308, 13884, 13962, 15931, 17184, 18512, 18616, 27768, 27924, 31862, 37024, 37232, 47793, 55536, 55848, 63724, 74464, 95586, 111072, 111696, 127448, 191172, 207103, 223392, 254896, 382344, 414206, 509792, 621309, 764688, 828412, 1242618, 1529376, 1656824, 2485236, 3313648, 4970472, 6627296, 9940944, 19881888]

約数ペア:

[(1, 19881888), (2, 9940944), (3, 6627296), (4, 4970472), (6, 3313648), (8, 2485236), (12, 1656824), (13, 1529376), (16, 1242618), (24, 828412), (26, 764688), (32, 621309), (39, 509792), (48, 414206), (52, 382344), (78, 254896), (89, 223392), (96, 207103), (104, 191172), (156, 127448), (178, 111696), (179, 111072), (208, 95586), (267, 74464), (312, 63724), (356, 55848), (358, 55536), (416, 47793), (534, 37232), (537, 37024), (624, 31862), (712, 27924), (716, 27768), (1068, 18616), (1074, 18512), (1157, 17184), (1248, 15931), (1424, 13962), (1432, 13884), (2136, 9308), (2148, 9256), (2314, 8592), (2327, 8544), (2848, 6981), (2864, 6942), (3471, 5728), (4272, 4654), (4296, 4628)]