18956604

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 31040196

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 47, 57, 58, 61, 76, 87, 94, 114, 116, 122, 141, 174, 183, 188, 228, 244, 282, 348, 366, 551, 564, 732, 893, 1102, 1159, 1363, 1653, 1769, 1786, 2204, 2318, 2679, 2726, 2867, 3306, 3477, 3538, 3572, 4089, 4636, 5307, 5358, 5452, 5734, 6612, 6954, 7076, 8178, 8601, 10614, 10716, 11468, 13908, 16356, 17202, 21228, 25897, 33611, 34404, 51794, 54473, 67222, 77691, 83143, 100833, 103588, 108946, 134444, 155382, 163419, 166286, 201666, 217892, 249429, 310764, 326838, 332572, 403332, 498858, 653676, 997716, 1579717, 3159434, 4739151, 6318868, 9478302, 18956604]

約数ペア:

[(1, 18956604), (2, 9478302), (3, 6318868), (4, 4739151), (6, 3159434), (12, 1579717), (19, 997716), (29, 653676), (38, 498858), (47, 403332), (57, 332572), (58, 326838), (61, 310764), (76, 249429), (87, 217892), (94, 201666), (114, 166286), (116, 163419), (122, 155382), (141, 134444), (174, 108946), (183, 103588), (188, 100833), (228, 83143), (244, 77691), (282, 67222), (348, 54473), (366, 51794), (551, 34404), (564, 33611), (732, 25897), (893, 21228), (1102, 17202), (1159, 16356), (1363, 13908), (1653, 11468), (1769, 10716), (1786, 10614), (2204, 8601), (2318, 8178), (2679, 7076), (2726, 6954), (2867, 6612), (3306, 5734), (3477, 5452), (3538, 5358), (3572, 5307), (4089, 4636)]