19251018016

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:878

約数の個数: 96

約数和(自身を含む): 39278131200

約数和(自身を除く): 20027113184

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 131, 188, 199, 262, 376, 398, 491, 524, 752, 796, 982, 1048, 1504, 1592, 1964, 2096, 3184, 3928, 4192, 6157, 6368, 7856, 9353, 12314, 15712, 18706, 23077, 24628, 26069, 37412, 46154, 49256, 52138, 64321, 74824, 92308, 97709, 98512, 104276, 128642, 149648, 184616, 195418, 197024, 208552, 257284, 299296, 369232, 390836, 417104, 514568, 738464, 781672, 834208, 1029136, 1225243, 1563344, 2058272, 2450486, 3023087, 3126688, 4592323, 4900972, 6046174, 9184646, 9801944, 12092348, 12799879, 18369292, 19603888, 24184696, 25599758, 36738584, 39207776, 48369392, 51199516, 73477168, 96738784, 102399032, 146954336, 204798064, 409596128, 601594313, 1203188626, 2406377252, 4812754504, 9625509008, 19251018016]

約数ペア:

[(1, 19251018016), (2, 9625509008), (4, 4812754504), (8, 2406377252), (16, 1203188626), (32, 601594313), (47, 409596128), (94, 204798064), (131, 146954336), (188, 102399032), (199, 96738784), (262, 73477168), (376, 51199516), (398, 48369392), (491, 39207776), (524, 36738584), (752, 25599758), (796, 24184696), (982, 19603888), (1048, 18369292), (1504, 12799879), (1592, 12092348), (1964, 9801944), (2096, 9184646), (3184, 6046174), (3928, 4900972), (4192, 4592323), (6157, 3126688), (6368, 3023087), (7856, 2450486), (9353, 2058272), (12314, 1563344), (15712, 1225243), (18706, 1029136), (23077, 834208), (24628, 781672), (26069, 738464), (37412, 514568), (46154, 417104), (49256, 390836), (52138, 369232), (64321, 299296), (74824, 257284), (92308, 208552), (97709, 197024), (98512, 195418), (104276, 184616), (128642, 149648)]