18638130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 53844480

約数和(自身を除く): 35206350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 409, 434, 465, 490, 651, 735, 818, 930, 1085, 1227, 1302, 1470, 1519, 2045, 2170, 2454, 2863, 3038, 3255, 4090, 4557, 5726, 6135, 6510, 7595, 8589, 9114, 12270, 12679, 14315, 15190, 17178, 20041, 22785, 25358, 28630, 38037, 40082, 42945, 45570, 60123, 63395, 76074, 85890, 88753, 100205, 120246, 126790, 177506, 190185, 200410, 266259, 300615, 380370, 443765, 532518, 601230, 621271, 887530, 1242542, 1331295, 1863813, 2662590, 3106355, 3727626, 6212710, 9319065, 18638130]

約数ペア:

[(1, 18638130), (2, 9319065), (3, 6212710), (5, 3727626), (6, 3106355), (7, 2662590), (10, 1863813), (14, 1331295), (15, 1242542), (21, 887530), (30, 621271), (31, 601230), (35, 532518), (42, 443765), (49, 380370), (62, 300615), (70, 266259), (93, 200410), (98, 190185), (105, 177506), (147, 126790), (155, 120246), (186, 100205), (210, 88753), (217, 85890), (245, 76074), (294, 63395), (310, 60123), (409, 45570), (434, 42945), (465, 40082), (490, 38037), (651, 28630), (735, 25358), (818, 22785), (930, 20041), (1085, 17178), (1227, 15190), (1302, 14315), (1470, 12679), (1519, 12270), (2045, 9114), (2170, 8589), (2454, 7595), (2863, 6510), (3038, 6135), (3255, 5726), (4090, 4557)]