18131776

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 112

約数和(自身を含む): 43240960

約数和(自身を除く): 25109184

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 37, 38, 52, 62, 64, 74, 76, 104, 124, 148, 152, 208, 247, 248, 296, 304, 403, 416, 481, 494, 496, 589, 592, 608, 703, 806, 832, 962, 988, 992, 1147, 1178, 1184, 1216, 1406, 1612, 1924, 1976, 1984, 2294, 2356, 2368, 2812, 3224, 3848, 3952, 4588, 4712, 5624, 6448, 7657, 7696, 7904, 9139, 9176, 9424, 11248, 12896, 14911, 15314, 15392, 15808, 18278, 18352, 18848, 21793, 22496, 25792, 29822, 30628, 30784, 36556, 36704, 37696, 43586, 44992, 59644, 61256, 73112, 73408, 87172, 119288, 122512, 146224, 174344, 238576, 245024, 283309, 292448, 348688, 477152, 490048, 566618, 584896, 697376, 954304, 1133236, 1394752, 2266472, 4532944, 9065888, 18131776]

約数ペア:

[(1, 18131776), (2, 9065888), (4, 4532944), (8, 2266472), (13, 1394752), (16, 1133236), (19, 954304), (26, 697376), (31, 584896), (32, 566618), (37, 490048), (38, 477152), (52, 348688), (62, 292448), (64, 283309), (74, 245024), (76, 238576), (104, 174344), (124, 146224), (148, 122512), (152, 119288), (208, 87172), (247, 73408), (248, 73112), (296, 61256), (304, 59644), (403, 44992), (416, 43586), (481, 37696), (494, 36704), (496, 36556), (589, 30784), (592, 30628), (608, 29822), (703, 25792), (806, 22496), (832, 21793), (962, 18848), (988, 18352), (992, 18278), (1147, 15808), (1178, 15392), (1184, 15314), (1216, 14911), (1406, 12896), (1612, 11248), (1924, 9424), (1976, 9176), (1984, 9139), (2294, 7904), (2356, 7696), (2368, 7657), (2812, 6448), (3224, 5624), (3848, 4712), (3952, 4588)]