18418950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^2$

素因数の和:151

約数の個数: 108

約数和(自身を含む): 54883764

約数和(自身を除く): 36464814

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 61, 66, 75, 90, 99, 110, 122, 150, 165, 183, 198, 225, 275, 305, 330, 366, 450, 495, 549, 550, 610, 671, 825, 915, 990, 1098, 1342, 1525, 1650, 1830, 2013, 2475, 2745, 3050, 3355, 3721, 4026, 4575, 4950, 5490, 6039, 6710, 7442, 9150, 10065, 11163, 12078, 13725, 16775, 18605, 20130, 22326, 27450, 30195, 33489, 33550, 37210, 40931, 50325, 55815, 60390, 66978, 81862, 93025, 100650, 111630, 122793, 150975, 167445, 186050, 204655, 245586, 279075, 301950, 334890, 368379, 409310, 558150, 613965, 736758, 837225, 1023275, 1227930, 1674450, 1841895, 2046550, 3069825, 3683790, 6139650, 9209475, 18418950]

約数ペア:

[(1, 18418950), (2, 9209475), (3, 6139650), (5, 3683790), (6, 3069825), (9, 2046550), (10, 1841895), (11, 1674450), (15, 1227930), (18, 1023275), (22, 837225), (25, 736758), (30, 613965), (33, 558150), (45, 409310), (50, 368379), (55, 334890), (61, 301950), (66, 279075), (75, 245586), (90, 204655), (99, 186050), (110, 167445), (122, 150975), (150, 122793), (165, 111630), (183, 100650), (198, 93025), (225, 81862), (275, 66978), (305, 60390), (330, 55815), (366, 50325), (450, 40931), (495, 37210), (549, 33550), (550, 33489), (610, 30195), (671, 27450), (825, 22326), (915, 20130), (990, 18605), (1098, 16775), (1342, 13725), (1525, 12078), (1650, 11163), (1830, 10065), (2013, 9150), (2475, 7442), (2745, 6710), (3050, 6039), (3355, 5490), (3721, 4950), (4026, 4575)]