19425220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 27991100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 62, 68, 76, 85, 95, 97, 124, 155, 170, 190, 194, 310, 323, 340, 380, 388, 485, 527, 589, 620, 646, 970, 1054, 1178, 1292, 1615, 1649, 1843, 1940, 2108, 2356, 2635, 2945, 3007, 3230, 3298, 3686, 5270, 5890, 6014, 6460, 6596, 7372, 8245, 9215, 10013, 10540, 11780, 12028, 15035, 16490, 18430, 20026, 30070, 31331, 32980, 36860, 40052, 50065, 51119, 57133, 60140, 62662, 100130, 102238, 114266, 125324, 156655, 200260, 204476, 228532, 255595, 285665, 313310, 511190, 571330, 626620, 971261, 1022380, 1142660, 1942522, 3885044, 4856305, 9712610, 19425220]

約数ペア:

[(1, 19425220), (2, 9712610), (4, 4856305), (5, 3885044), (10, 1942522), (17, 1142660), (19, 1022380), (20, 971261), (31, 626620), (34, 571330), (38, 511190), (62, 313310), (68, 285665), (76, 255595), (85, 228532), (95, 204476), (97, 200260), (124, 156655), (155, 125324), (170, 114266), (190, 102238), (194, 100130), (310, 62662), (323, 60140), (340, 57133), (380, 51119), (388, 50065), (485, 40052), (527, 36860), (589, 32980), (620, 31331), (646, 30070), (970, 20026), (1054, 18430), (1178, 16490), (1292, 15035), (1615, 12028), (1649, 11780), (1843, 10540), (1940, 10013), (2108, 9215), (2356, 8245), (2635, 7372), (2945, 6596), (3007, 6460), (3230, 6014), (3298, 5890), (3686, 5270)]